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The GPWC receives inputs from these units:
- Radio altimeter transceivers
- GPWS module
- Program switch module
- Left and right ADIRUs
- DEU 1 and 2.
The GPWC uses this data to calculate mode 6 alerts:
- Radio altitude
- Landing gear position
- Program pin selection
- Roll attitude
- Decision height.
GPWS - MODE 6 DESCRIPTIONMode 6 is armed when the airplane climbs through 1000 feet
radio altitude. To reset mode 6, the airplane must climb above
the radio altitude where the first altitude callout occurs.
MODE 7 DESCRIPTION
MODE 1 DESCRIPTION | General | Description | Description | General | Description | General | Description | General | General |